> For the complete documentation index, see [llms.txt](https://sketchwaredocs.gitbook.io/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sketchwaredocs.gitbook.io/home/blocks/operator.md). # Operator Usually used with blocks from the Contol tab. This page in not finished #### True
true
True condition #### False
false
False condition #### < (less than)
Less than
Used to check if one value is less than the other. #### = (equals)
Used to check if two values are equal. #### > (greater than)
Used to check if one value is greater than the other. #### And
Joins two condition blocks. #### Or
Joins two condition blocks, but they function separately. #### Not
Changes the condition checked to false instead of the default which is true. #### + (add)
Plus
Used to add two numbers. #### - (subtract)
Minus
Used to subtract two numbers #### \* (multiply)
times
Used to multiply two numbers. #### / (divide)
divided by
Used to divide two numbers. #### % (percent)
percent of
#### Pick Random
pick random _ to _
Pick a random number between two specified numbers. #### Length of
Length of
Gets the length of a string (text). #### Join
Join _ and _
Combines two vales and puts them right next to each other. #### Index
Index _ of _
Needs description #### Last index Needs image Needs description #### Substring
_ substring _ to _
Needs description #### Equals
_ equals _
Condition used to check if two strings are equal. {% hint style="info" %} Usually used with SharedPreferences. {% endhint %} #### Contains
contains
#### Replace all
_ replace all _ with _
Replaces all the specified value with the specified value for the specified string. #### Trim
trim
Removes any space characters around the specified string. #### ToUpperCase
toUpperCase _
Makes the specified string uppercase. #### ToLowerCase
toLowerCase _
Makes the specified string lowercase. #### toNumber
toNumber _
Converts a string into a number.